it doesn't show what ?n is equal to at the end document.write()
Code:
<script>
var newqstring = this.location.href.substring(this.location.href.indexOf('?')+1).split(";");
var _MOUS = new Array();
for(var q=0;q<newqstring.length;q++)
{
	if(newqstring[q] != "")
	{
		var dynamic = newqstring[q].split("=");
		var _MOUS[dynamic[0]] = dynamic[1];
	}
}
document.write(_MOUS['n']);
</script>